NFATc1 Regulation of TRAIL Expression in Human Intestinal Cells
Author Information
Author(s): Wang Qingding, Zhou Yuning, Weiss Heidi L., Chow Chi-Wing, Evers B. Mark
Primary Institution: The University of Kentucky
Hypothesis
The study investigates the role of NFAT in the regulation of TRAIL expression in human intestinal cells.
Conclusion
Activation of NFATc1 increases TRAIL expression through negative regulation of Sp1 binding to the TRAIL promoter.
Supporting Evidence
- NFAT activation was shown to increase TRAIL expression in intestinal-derived cells.
- Knockdown of NFATc1 increased Sp1 transcription factor binding to the TRAIL promoter.
- Inhibition of Sp1 increased TRAIL expression, indicating a negative regulatory role.
Takeaway
This study shows that a protein called NFATc1 helps increase the amount of TRAIL, a molecule important for cell health, by stopping another protein, Sp1, from binding to its control area.
Methodology
The study involved treating human intestinal cells with PMA and calcium ionophore to activate NFAT and measuring TRAIL expression through Western blot and EMSA.
Limitations
The study primarily focuses on in vitro experiments, which may not fully represent in vivo conditions.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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